Mass-Labelled HCH Solution/Mixture, 2µg/ml in Nonane, 1,2ml Back Catalog number: MHCH-MXA Availability: In the manufacturer's stock Price on request - + Recommended 59379 Total Residual Chlorine (Cl) Price on request 94046 Semi-Volatile Standard Price on request 0744.12-K-IO 2-Ethyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 32367-54-7 Price on request